CN106475913A - The rust cleaning of swirling eddy method inner-walls of duct snaking, coating antiseptic technology - Google Patents
The rust cleaning of swirling eddy method inner-walls of duct snaking, coating antiseptic technology Download PDFInfo
- Publication number
- CN106475913A CN106475913A CN201610227228.3A CN201610227228A CN106475913A CN 106475913 A CN106475913 A CN 106475913A CN 201610227228 A CN201610227228 A CN 201610227228A CN 106475913 A CN106475913 A CN 106475913A
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- CN
- China
- Prior art keywords
- duct
- walls
- pipeline
- snaking
- coating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
- B24C1/086—Descaling; Removing coating films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C7/00—Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work
- B05C7/02—Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work the liquid or other fluent material being projected
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
- B08B9/0328—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid by purging the pipe with a gas or a mixture of gas and liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/32—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks
- B24C3/325—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks for internal surfaces, e.g. of tubes
- B24C3/327—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks for internal surfaces, e.g. of tubes by an axially-moving flow of abrasive particles without passing a blast gun, impeller or the like along the internal surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2209/00—Details of machines or methods for cleaning hollow articles
- B08B2209/02—Details of apparatuses or methods for cleaning pipes or tubes
- B08B2209/027—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces
- B08B2209/032—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces by the mechanical action of a moving fluid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Swirling eddy method inner-walls of duct snaking rust cleaning, coating antiseptic technology be on the basis of our " high pressure gas, waterpipe scale removal and wall protecting method ", " large and medium-sized inner-walls of duct rust removing and contaminant releasing and film anticorrosion method " two patents, improved by the accumulation of construction experience for many years and constantly research and development, efficiency improves 23 times.The present invention relates to the various pipes inwall snaking rust cleaning of the field such as urban water supply and sewerage, heating, combustion gas, oil, chemical industry, coating antiseptic, and the new pre- anti-corrosion of roughing-in inside coating.A difficult problem for former patented technology narrow application range and manipulation ability is solved, overcomes the construction difficult problem that pipeline turning, reducing, vertical and branch that traditional trenchless technology runs into etc. cannot be processed.More thorough with snaking, coating is evenly fine and close, and adhesive force is higher, in hgher efficiency, and labor cost at least reduces by more than 50%.Closure construction, safety and environmental protection.
Description
" swirling eddy method " inner-walls of duct snaking rust cleaning, coating antiseptic technology be in our " high pressure gas, waterpipe scale removal
And wall protecting method " (Chinese patent grant number:ZL02110830.7), " large and medium-sized inner-walls of duct rust removing and contaminant releasing and film anticorrosion side
Method " (Chinese patent grant number:ZL200510024090.9) and we are on the basis of the U.S., Canadian Patent, by many
The year accumulation of experience is formed with constantly research and development, improvement, and efficiency improves 2-3 times.
Technical field
The present invention relates to the numerous areas various pipes inwall such as urban water supply and sewerage, heating, combustion gas, fire-fighting, oil, chemical industry is clear
Dirt rust cleaning, the pre- technical field of anticorrosion of coating of coating antiseptic and new roughing-in inwall.More particularly to a kind of suitable for all kinds of
The rust cleaning of inner-walls of duct snaking, the new method of coating antiseptic operation in the transformation of pipe network non-excavation rehabilitation.
Technical background
The various pipes such as existing urban water supply and sewerage, heating, combustion gas, fire-fighting, oil, chemical industry, the use through the long period
Rust deposite can be produced on inner-walls of duct afterwards, both affect to manage defeated rate-of flow, again cause pipeline because of corrosion with material service life
Disunity.At present, pipeline non-excavation rehabilitation renovation technique field generally adopts:1st, in-situ solidifying method (CIPP):That is board pulling method pipe
Road liner is repaired, CIPP construction technology high cost, CIPP rubber drum dependence on import (material prepares typically to take one month).Right before construction
Pipeline cleaning requires higher.Bearing capacity is relatively low, and the more difficult control of the quality of pipe, construction costs are high;2nd, HDPE pipe Internal Lining Method:Adopt
Old pipeline technique is repaired with high density polyethylene pipe, HDPE pipe Internal Lining Method need to excavate operation hole and gathering sill according to pipeline buried depth,
The link techniques such as termination process also need to inquire into, and in pipe, break camber can not be too big, and pipeline undergauge reaches 5%-20%, inapplicable
DN100 needs to carry out pipeline cleaning with underground pipelines reparation, before construction;3rd, spiral winding method, i.e., using PVC-U banding section bar, no
Rust steel band, winding cage are repaired to pipeline, and spiral winding pipeline recovery technique is applied to DN150-DN750 pipeline, and equipment is thrown
Enter higher, material is completely dependent on import, is only applicable to straight tube, and the more pipeline of arm is not suitable for using this kind of restorative procedure.Right
Former pipeline cleaning requirement is higher, can not have debris sharp projection in pipeline, in order to avoid scratch bushing pipe;4th, PIG (logical ball) cleaning technique,
Mainly after transmitter leads PIG into pipeline, in the presence of frictional force, PIG will be attached to the dirt on inner-walls of duct
Remove down, at the same annular space arrival PIG head of the promotion medium of PIG afterbody between PIG circumference and tube wall, formation low discharge,
The annular space jet of high speed, washes the dirt for being deposited in PIG front portion under removing open.PIG cleaning technique is required:1) caliber is more than
The pipeline of DN50;2) caliber elbow radius of curvature is not less than 1.5 times of caliber;3) maximum deformation quantity of caliber is not more than caliber
20%;4) block valve on pipeline should be ball valve or flat gate valve;5) internal diameter of the pipeline fittings on pipeline should be with pipeline internal diameter
Identical;6) manage defeated medium temperature and be not more than 70 DEG C;7) hard rust deposite is cleaned not thorough;8) nothing pipeline rehabilitation function.
Above-mentioned several conventional pipe repairing methods, although have pipeline rehabilitation function, but have the skill that cannot each break through
Art bottleneck and a difficult problem, not only reduce caliber, reduce the conveying capacity of pipeline, and cannot solve pipeline turning, reducing, hang down
Directly, the difficult problem such as branch and small pipe-line.
Such as excavation replacing to be carried out to old pipeline, resident living and enterprise be produced, due to pavement of road to be destroyed, stopping production
Stopping transportation etc., will cause the inconveniences such as productive life.At " high pressure gas, waterpipe scale removal and wall protecting method ", (China is specially for we
Sharp grant number:ZL02110830.7), " large and medium-sized inner-walls of duct rust removing and contaminant releasing and film anticorrosion method " (Chinese patent mandate
Number:ZL200510024090.9) on the basis of two patented technologies, successfully solve " with pipe for tank " again and deposit in actual applications
Problem.
The present invention relies on our former patent of invention, it is proposed that using rotation through research and the construction experience of more than ten years
Air-flow repairs transformation-snaking rust cleaning, coating antiseptic, enhanced protection in the original location to pipeline.Make pipeline unimpeded, recover flow, extend
Pipeline service life.The invention energy consumption is low, efficiency of construction is high, it is adaptable to the pipeline snaking rust cleaning of various bores, coating antiseptic.
Content of the invention
The purpose of the present invention be primary bright on the basis of, in conjunction with electromechanical integration design concept, by the reality for accumulating for many years
Experience is trampled, with swirling eddy as instrument, is solved the rust cleaning of inner-walls of duct snaking, coating antiseptic in the transformation of pipe network non-excavation rehabilitation and fits
With narrow range and a difficult problem for automatic manipulation ability, overcome not enough present in former method " with pipe for tank " section construction.?
In the past in big-and-middle-sized pipeline " with pipe for tank " construction, because the buried pipe time limit is permanent, the cathode protection measure that pipeline is taken is subject to
From the destruction of each side factor, there is table corrosion in pipeline.In the construction of " with pipe for tank " method, for preventing compressed gas defeated
The damage pipe explosion accident that the too high or pipeline of atmospheric pressure is pressure to be reduced and cause, the pressure that can not meet construction technology in gas transmission will
Ask, so as to affect the effect of the rust cleaning of big-and-middle-sized pipeline snaking, coating antiseptic.
The present invention is comprised the following steps:
The present invention is realized as follows:Using the compressed gas of the appropriate pressure of clean dried, GM series abrasive material,
CL environmental protection cooling-lubricant is purged to pipeline inner rust dirt, is then carried out coating with PT families of coatings material to inner-walls of duct and is prevented
Rotten.GM series abrasive material includes:Garnet, Brown Alundum, white fused alumina, fused alumina zirconia, black corundum, carborundum, diamond, copper ore, stone
Sand, iron sand, SEMEN AMOMI LONGILIGULA etc.;CL environmental protection cooling-lubricant includes:Environmental protection coolant and water;PT families of coatings material includes:Food
Grade and technical grade.
The present invention carries out segmentation in operation depending on pipe diameter, inwall rust deposite light and heavy degree to pipeline, sets treating gas
Pressure, and through the purification of voltage stabilizing accumulator, voltage stabilizing, accumulation of energy.First, the compressed gas of appropriate pressure are discharged through regulator, through RFC
The automatic control system entrance operation pipeline section of eddy flow, drain internal water accumulation, make pipeline interior air-flow unimpeded;Secondly, according to pipe material
And rust deposite light and heavy degree selectively adds GM series abrasive material and CL environmental protection cooling and lubricating into the automatic control system of RFC eddy flow in pipe
Liquid, the pressure for manipulating compressed gas by the automatic control system of RFC eddy flow produce high-speed rotation, the height of rotation in operation pipeline
Fast air-flow entrainment abrasive material and CL environmental protection cooling-lubricant are to the continuous shock of inner-walls of duct, grinding so that rust deposite is crushed, come off;So
Afterwards, inner-walls of duct is cleaned up with high-speed rotation air-flow entrainment CL environmental protection cooling-lubricant, operation material and rust deposite pass through work
Pipeline adc is received systematic unity by GSR environmental protection collection and is reclaimed.Then tube wall is dried up with heating system, then is pressed from both sides with high-speed rotation air-flow
Band PT series erosion shield material, is uniformly coated on formation corrosion protective layer on inner-walls of duct in rotary course;Apply
Apply after terminating, the compressed gas that heating system blows heating into pipeline are reused, accelerate coating surface drying.Whole process is adopted
Closure operation, safety and environmental protection.
The concrete feature of the present invention has:
The present invention operationally, by high pressure tank, is pressed into eddy flow energy storage equipment compressed gas, after compression supercharging
Gas enters the automatic control system of RFC eddy flow through pipe special, is set according to parameters such as construction pipe diameter, length, rust deposite degree
Voltage stabilizing energy storage pressure and gas-storing capacity is put, and to meet clear painting work requirements, and which can be made rotation to be formed in the pipeline for being applied clearly
Air-flow.
Specific embodiment:
First, the compressed gas of appropriate pressure are discharged through regulator, enter working pipe through the automatic control system of RFC eddy flow
Section;Secondly, GM series abrasive material is selectively added into the automatic control system of RFC eddy flow according to rust deposite degree in pipe material and pipe
And CL environmental protection cooling-lubricant, produced in operation pipeline by the pressure of the automatic control system manipulation compressed gas of RFC eddy flow
High-speed rotation air-flow, the high velocity air of rotation carry abrasive material and CL environmental protection cooling-lubricant secretly to the continuous shock of inner-walls of duct, grinding,
So that rust deposite is crushed, is come off;Then, inner-walls of duct is cleaned up with high-speed rotation air-flow entrainment CL environmental protection cooling-lubricant,
Operation material and rust deposite are received systematic unity by process pipelines by GSR environmental protection collection and are reclaimed.Then, tube wall is blown with heating system
Dry, then with high-speed rotation air-flow entrainment PT series erosion shield material, inner-walls of duct is uniformly coated in rotary course
Upper formation corrosion protective layer;After coating terminates, the compressed gas that heating system blows heating into pipeline are reused, plus
Fast coating surface drying.Whole process is using closure operation, safety and environmental protection.This method is for in-service all types of pipelines, it is not necessary to enter
The extensive ground of row is excavated and just easily can carry out snaking rust cleaning, coating antiseptic paragraph by paragraph.
It is an advantage of the invention that fairly obvious:The present invention regards operationally, first pipe diameter, inwall rust deposite degree pair
Pipeline carries out segmentation, compressed gas is pressed into eddy flow energy storage equipment using high pressure tank, and the gas after compressed supercharging passes through
Pipe special enters the automatic control system of RFC eddy flow.According to parameter setting pressure such as construction pipe diameter, length, rust deposite degree
And gas-storing capacity, with meet clear apply work requirements, and which can be made to form swirling eddy in the pipeline for being applied clearly, to in-service all kinds of
Pipeline carries out snaking rust cleaning, coating antiseptic and the pre- anti-corrosion of new roughing-in inside coating.No matter how complicated pipeline rout distribution is, long
How long degree has, and is not required to carry out large number of ground excavation, just can remove the debris such as rust deposite in pipe, operation inner-walls of duct can be applied again
Layer anti-corrosion, easy to operate, the engineering time is short, low cost, closure construction, safety and environmental protection, meets the requirement of national energy-saving environmental protection, especially
It is ideal trenchless repairing method which is the large and medium-sized caliber pipe embedded to long range.
Specific embodiment:
When the present invention is implemented, according to by the execution conditions of the bore of painting pipeline, rust deposite degree, periphery clearly, determine that segmentation is made
The position of industry point, arranges the position that system received by the position of air compressor and GSR environmental protection collection, sets the pressure of eddy flow energy storage equipment
And the automatic control system running parameter of gas-storing capacity, RFC eddy flow.
First, the compressed gas of appropriate pressure are discharged through regulator, enter working pipe through the automatic control system of RFC eddy flow
Section;Secondly, GM series abrasive material is selectively added into the automatic control system of RFC eddy flow according to rust deposite degree in pipe material and pipe
And CL environmental protection cooling-lubricant, the pressure of compressed gas is manipulated by the automatic control system of RFC eddy flow, is produced in operation pipeline
High-speed rotation air-flow, entrainment abrasive material and CL environmental protection cooling-lubricant are to the continuous shock of inner-walls of duct, grinding so that rust deposite crushing,
Come off;Then, inner-walls of duct is cleaned up with high-speed rotation air-flow entrainment CL environmental protection cooling-lubricant.Operation material and rust deposite
Systematic unity is received by process pipelines by GSR environmental protection collection to reclaim.Then tube wall is dried up with heating system, then uses high-speed rotation
Air-flow entrainment PT series erosion shield material, is uniformly coated on formation anti-corrosion protection on inner-walls of duct in rotary course
Layer;After coating terminates, the compressed gas that heating system blows heating into pipeline are reused, accelerate coating surface drying.Whole mistake
Cheng Caiyong closes operation, safety and environmental protection.
Description of the drawings
Accompanying drawing is embodiment of the present invention schematic diagram, does not limit the invention, wherein:
Accompanying drawing 1 is the inventive method implementation steps;
Accompanying drawing 2 is the inventive method process flow diagram.
Claims (3)
1. " swirling eddy method " inner-walls of duct snaking rust cleaning, coating antiseptic technology it is characterized in that:Add in high pressure tank
Eddy flow energy storage equipment, is pressed into eddy flow energy storage equipment compressed gas, and the gas after compression supercharging enters RFC eddy flow through pipe special
Automatically swirling eddy is formed after control system, set the parameters to determine accumulation of energy amount according to construction pipe diameter, length.
2. according to claim 1, the automatic control system of RFC eddy flow it is characterized in that:The artificial different pressure reduction for adjusting multiply air-flow
Swirling eddy is formed in pipeline.Using Electromechanical Design theory, the PLC control system of friendly interface and vacuum is added to bear
The unique radar fix of pressure automatic feeding system and function, monitoring, prewarning unit.Special GM series abrasive material and special CL series
Cooling-lubricant and the rust deposite for coming off enter GSR environmental protection collection together through outlet and receive system, for defeated medium is managed, then will be special
PT families of coatings material is coated uniformly on inner-walls of duct, forms protective layer, lasting anti-corrosion.
3. according to claim 1, radar fix prewarning unit it is characterized in that:Can be to construction team's real time remote positioning, the palm
The monitoring of control equipment working condition and early warning.Equipment operation condition is grasped in time, to equipment working condition real-time judge, for the event that may occur
Barrier unit timely provides optimization process scheme and scientific disposal program.
Priority Applications (1)
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CN201610227228.3A CN106475913A (en) | 2016-04-13 | 2016-04-13 | The rust cleaning of swirling eddy method inner-walls of duct snaking, coating antiseptic technology |
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CN201610227228.3A CN106475913A (en) | 2016-04-13 | 2016-04-13 | The rust cleaning of swirling eddy method inner-walls of duct snaking, coating antiseptic technology |
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CN106475913A true CN106475913A (en) | 2017-03-08 |
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CN201610227228.3A Pending CN106475913A (en) | 2016-04-13 | 2016-04-13 | The rust cleaning of swirling eddy method inner-walls of duct snaking, coating antiseptic technology |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109127593A (en) * | 2018-08-10 | 2019-01-04 | 吉林省天德立管道工程科技有限公司 | One kind adopting oil pipeline hot steam differential pressure cyclone method cleaning prosthetic device and method |
CN109986471A (en) * | 2018-10-11 | 2019-07-09 | 马付林 | A kind of long range surface treatment of inner wall of steel pipe and coated lining anti-corrosion method |
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CN203862633U (en) * | 2014-05-28 | 2014-10-08 | 田广文 | High-pressure air pulse pipeline washing and coating device |
CN204353153U (en) * | 2014-11-13 | 2015-05-27 | 广东核电合营有限公司 | Pipe interior uses the device of air force cleaning and coating |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN109127593A (en) * | 2018-08-10 | 2019-01-04 | 吉林省天德立管道工程科技有限公司 | One kind adopting oil pipeline hot steam differential pressure cyclone method cleaning prosthetic device and method |
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CN109986471A (en) * | 2018-10-11 | 2019-07-09 | 马付林 | A kind of long range surface treatment of inner wall of steel pipe and coated lining anti-corrosion method |
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